Remove Init() from LongitudinalProfile.

Processes/LongitudinalProfile/LongitudinalProfile.cc

@@ -29,8 +29,6 @@ LongitudinalProfile::LongitudinalProfile(environment::ShowerAxis const& shower_a
     : shower_axis_{shower_axis}
     , profiles_{static_cast<unsigned int>(shower_axis.maximumX() / dX_) + 1} {}
 
-void LongitudinalProfile::Init() {}
-
 template <>
 corsika::process::EProcessReturn LongitudinalProfile::DoContinuous(Particle const& vP,
                                                                    Track const& vTrack) {

Processes/LongitudinalProfile/LongitudinalProfile.h

@@ -26,8 +26,6 @@ namespace corsika::process::longitudinal_profile {
   public:
     LongitudinalProfile(environment::ShowerAxis const&);
 
-    void Init();
-
     template <typename Particle, typename Track>
     corsika::process::EProcessReturn DoContinuous(Particle const&, Track const&);